/*
 * Copyright (C) 2021-2024, 5DPLAY Game Studio
 * All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package net.play5d.kyo.display.bitmap {
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.geom.ColorTransform;
import flash.geom.Rectangle;

/**
 * 位图字体文本，基于BitmapFont
 */
public class BitmapFontText extends Bitmap {
    public function BitmapFontText(font:BitmapFont) {
        super(null, 'auto', true);
        _font = font;
    }

    private var _font:BitmapFont;
    private var _orgBitmapData:BitmapData;

    private var _text:String;

    public function get text():String {
        return _text;
    }

    public function set text(v:String):void {
        _text      = v;
        bitmapData = _font.translate(v);
        smoothing  = true;
        width      = bitmapData.width;
    }

    public function colorTransform(ct:ColorTransform):void {
        if (ct == null) {
            if (_orgBitmapData) {
                bitmapData.dispose();
                bitmapData = _orgBitmapData.clone();
            }
            return;
        }

        if (!_orgBitmapData) {
            _orgBitmapData = bitmapData.clone();
        }
        bitmapData.colorTransform(new Rectangle(0, 0, bitmapData.width, bitmapData.height), ct);
    }

    public function dispose():void {
        if (_orgBitmapData) {
            _orgBitmapData.dispose();
            _orgBitmapData = null;
        }
        bitmapData.dispose();
    }

}
}
